Search a number
-
+
2747142 = 23350873
BaseRepresentation
bin1010011110101100000110
312011120101000
422132230012
51200402032
6134514130
732231106
oct12365406
95146330
102747142
111606a72
12b05946
13752538
14517206
15393e7c
hex29eb06

2747142 has 16 divisors (see below), whose sum is σ = 6104880. Its totient is φ = 915696.

The previous prime is 2747131. The next prime is 2747161. The reversal of 2747142 is 2417472.

It is a happy number.

2747142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25383 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (381555).

22747142 is an apocalyptic number.

2747142 is an abundant number, since it is smaller than the sum of its proper divisors (3357738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2747142 is a wasteful number, since it uses less digits than its factorization.

2747142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50884 (or 50878 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 2747142 is about 1657.4504517481. The cubic root of 2747142 is about 140.0534149918.

The spelling of 2747142 in words is "two million, seven hundred forty-seven thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 50873 101746 152619 305238 457857 915714 1373571 2747142